| Variable | Definition | Measurement scale |
---|---|---|---|
I | Variety | The number of different choices within a product range based on: product flavour, product size, fair trade/ organic range or no-name/low-cost range | Not available, 1, 2, 3, 4, 5+ |
II | Price | Price of the cheapest item, £ per portion, for each product | Pound sterling per portion |
III | Promotions | Whether or not the product category was on price promotion | Yes/ no |
IV | Shelf placement | Where on the shelf the cheapest item for each product was placed | Bottom shelf, other, prominent (eye-level) |
V | Store placement | Which part of the store the cheapest item for each product was placed | Inconspicuous, noticeable, prominent |
VI | Quality | Level of quality of the two fruit and four vegetables | Poor, medium, good [18] |
VII | Healthier alternative | Whether or not a healthier option was available for less healthy products | Yes/ no |
VIII | Nutrition information | The type of nutrition information available on the cheapest item for each product | None, other a , back-of-pack, front & back of pack |
IX | Single fruit sale | Whether or not single sale of the two fruit measured was possible | Yes/ no |